Delray Beach Open by The Venetian® Las Vegas - Delray Beach, U.S.A.

Marin Cilic collected his ATP World Tour leading 18th match victory of the year on Sunday, defeating former champion Kevin Anderson for the title. Cilic claimed his second crown in three weeks after dispatching Anderson 7-6(6), 6-7(7), 6-4.

Novak Djokovic won a fifth Australian Open crown on Sunday with a 7-6(5), 6-7(4), 6-3, 6-0 victory over Andy Murray, who the World No. 1 also beat in the 2011 and 2013 finals. It was his 50th hard-court victory at Melbourne Park.

Novak Djokovic won a fifth Australian Open crown on Sunday with a 7-6(5), 6-7(4), 6-3, 6-0 victory over Andy Murray, who the World No. 1 also beat in the 2011 and 2013 finals. It was his 50th hard-court victory at Melbourne Park.

Novak Djokovic has clinched the year-end No. 1 Emirates ATP Ranking for a third time after he completed round-robin play with a 3-0 record to qualify for the semi-finals at the Barclays ATP World Tour Finals.

“Being No. 1 in the world is probably one of the most difficult and biggest challenges that a tennis player can have, so it's incredibly fulfilling and I'm very happy with this achievement,” Djokovic said of regaining the year-end No. 1 in the Emirates ATP Rankings.